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mirror of https://github.com/trezor/trezor-firmware.git synced 2024-11-18 13:38:12 +00:00
trezor-firmware/ripemd160.c
2013-10-03 17:32:27 +02:00

304 lines
9.6 KiB
C

#include <string.h>
#include "ripemd160.h"
#define ROL(x, n) (((x) << (n)) | ((x) >> (32-(n))))
#define F(x, y, z) ((x) ^ (y) ^ (z))
#define G(x, y, z) (((x) & (y)) | (~(x) & (z)))
#define H(x, y, z) (((x) | ~(y)) ^ (z))
#define IQ(x, y, z) (((x) & (z)) | ((y) & ~(z)))
#define J(x, y, z) ((x) ^ ((y) | ~(z)))
#define FF(a, b, c, d, e, x, s) {\
(a) += F((b), (c), (d)) + (x);\
(a) = ROL((a), (s)) + (e);\
(c) = ROL((c), 10);\
}
#define GG(a, b, c, d, e, x, s) {\
(a) += G((b), (c), (d)) + (x) + 0x5a827999UL;\
(a) = ROL((a), (s)) + (e);\
(c) = ROL((c), 10);\
}
#define HH(a, b, c, d, e, x, s) {\
(a) += H((b), (c), (d)) + (x) + 0x6ed9eba1UL;\
(a) = ROL((a), (s)) + (e);\
(c) = ROL((c), 10);\
}
#define II(a, b, c, d, e, x, s) {\
(a) += IQ((b), (c), (d)) + (x) + 0x8f1bbcdcUL;\
(a) = ROL((a), (s)) + (e);\
(c) = ROL((c), 10);\
}
#define JJ(a, b, c, d, e, x, s) {\
(a) += J((b), (c), (d)) + (x) + 0xa953fd4eUL;\
(a) = ROL((a), (s)) + (e);\
(c) = ROL((c), 10);\
}
#define FFF(a, b, c, d, e, x, s) {\
(a) += F((b), (c), (d)) + (x);\
(a) = ROL((a), (s)) + (e);\
(c) = ROL((c), 10);\
}
#define GGG(a, b, c, d, e, x, s) {\
(a) += G((b), (c), (d)) + (x) + 0x7a6d76e9UL;\
(a) = ROL((a), (s)) + (e);\
(c) = ROL((c), 10);\
}
#define HHH(a, b, c, d, e, x, s) {\
(a) += H((b), (c), (d)) + (x) + 0x6d703ef3UL;\
(a) = ROL((a), (s)) + (e);\
(c) = ROL((c), 10);\
}
#define III(a, b, c, d, e, x, s) {\
(a) += IQ((b), (c), (d)) + (x) + 0x5c4dd124UL;\
(a) = ROL((a), (s)) + (e);\
(c) = ROL((c), 10);\
}
#define JJJ(a, b, c, d, e, x, s) {\
(a) += J((b), (c), (d)) + (x) + 0x50a28be6UL;\
(a) = ROL((a), (s)) + (e);\
(c) = ROL((c), 10);\
}
static void compress(uint32_t *MDbuf, uint32_t *X)
{
uint32_t aa = MDbuf[0], bb = MDbuf[1], cc = MDbuf[2], dd = MDbuf[3], ee = MDbuf[4];
uint32_t aaa = MDbuf[0], bbb = MDbuf[1], ccc = MDbuf[2], ddd = MDbuf[3], eee = MDbuf[4];
/* round 1 */
FF(aa, bb, cc, dd, ee, X[ 0], 11);
FF(ee, aa, bb, cc, dd, X[ 1], 14);
FF(dd, ee, aa, bb, cc, X[ 2], 15);
FF(cc, dd, ee, aa, bb, X[ 3], 12);
FF(bb, cc, dd, ee, aa, X[ 4], 5);
FF(aa, bb, cc, dd, ee, X[ 5], 8);
FF(ee, aa, bb, cc, dd, X[ 6], 7);
FF(dd, ee, aa, bb, cc, X[ 7], 9);
FF(cc, dd, ee, aa, bb, X[ 8], 11);
FF(bb, cc, dd, ee, aa, X[ 9], 13);
FF(aa, bb, cc, dd, ee, X[10], 14);
FF(ee, aa, bb, cc, dd, X[11], 15);
FF(dd, ee, aa, bb, cc, X[12], 6);
FF(cc, dd, ee, aa, bb, X[13], 7);
FF(bb, cc, dd, ee, aa, X[14], 9);
FF(aa, bb, cc, dd, ee, X[15], 8);
/* round 2 */
GG(ee, aa, bb, cc, dd, X[ 7], 7);
GG(dd, ee, aa, bb, cc, X[ 4], 6);
GG(cc, dd, ee, aa, bb, X[13], 8);
GG(bb, cc, dd, ee, aa, X[ 1], 13);
GG(aa, bb, cc, dd, ee, X[10], 11);
GG(ee, aa, bb, cc, dd, X[ 6], 9);
GG(dd, ee, aa, bb, cc, X[15], 7);
GG(cc, dd, ee, aa, bb, X[ 3], 15);
GG(bb, cc, dd, ee, aa, X[12], 7);
GG(aa, bb, cc, dd, ee, X[ 0], 12);
GG(ee, aa, bb, cc, dd, X[ 9], 15);
GG(dd, ee, aa, bb, cc, X[ 5], 9);
GG(cc, dd, ee, aa, bb, X[ 2], 11);
GG(bb, cc, dd, ee, aa, X[14], 7);
GG(aa, bb, cc, dd, ee, X[11], 13);
GG(ee, aa, bb, cc, dd, X[ 8], 12);
/* round 3 */
HH(dd, ee, aa, bb, cc, X[ 3], 11);
HH(cc, dd, ee, aa, bb, X[10], 13);
HH(bb, cc, dd, ee, aa, X[14], 6);
HH(aa, bb, cc, dd, ee, X[ 4], 7);
HH(ee, aa, bb, cc, dd, X[ 9], 14);
HH(dd, ee, aa, bb, cc, X[15], 9);
HH(cc, dd, ee, aa, bb, X[ 8], 13);
HH(bb, cc, dd, ee, aa, X[ 1], 15);
HH(aa, bb, cc, dd, ee, X[ 2], 14);
HH(ee, aa, bb, cc, dd, X[ 7], 8);
HH(dd, ee, aa, bb, cc, X[ 0], 13);
HH(cc, dd, ee, aa, bb, X[ 6], 6);
HH(bb, cc, dd, ee, aa, X[13], 5);
HH(aa, bb, cc, dd, ee, X[11], 12);
HH(ee, aa, bb, cc, dd, X[ 5], 7);
HH(dd, ee, aa, bb, cc, X[12], 5);
/* round 4 */
II(cc, dd, ee, aa, bb, X[ 1], 11);
II(bb, cc, dd, ee, aa, X[ 9], 12);
II(aa, bb, cc, dd, ee, X[11], 14);
II(ee, aa, bb, cc, dd, X[10], 15);
II(dd, ee, aa, bb, cc, X[ 0], 14);
II(cc, dd, ee, aa, bb, X[ 8], 15);
II(bb, cc, dd, ee, aa, X[12], 9);
II(aa, bb, cc, dd, ee, X[ 4], 8);
II(ee, aa, bb, cc, dd, X[13], 9);
II(dd, ee, aa, bb, cc, X[ 3], 14);
II(cc, dd, ee, aa, bb, X[ 7], 5);
II(bb, cc, dd, ee, aa, X[15], 6);
II(aa, bb, cc, dd, ee, X[14], 8);
II(ee, aa, bb, cc, dd, X[ 5], 6);
II(dd, ee, aa, bb, cc, X[ 6], 5);
II(cc, dd, ee, aa, bb, X[ 2], 12);
/* round 5 */
JJ(bb, cc, dd, ee, aa, X[ 4], 9);
JJ(aa, bb, cc, dd, ee, X[ 0], 15);
JJ(ee, aa, bb, cc, dd, X[ 5], 5);
JJ(dd, ee, aa, bb, cc, X[ 9], 11);
JJ(cc, dd, ee, aa, bb, X[ 7], 6);
JJ(bb, cc, dd, ee, aa, X[12], 8);
JJ(aa, bb, cc, dd, ee, X[ 2], 13);
JJ(ee, aa, bb, cc, dd, X[10], 12);
JJ(dd, ee, aa, bb, cc, X[14], 5);
JJ(cc, dd, ee, aa, bb, X[ 1], 12);
JJ(bb, cc, dd, ee, aa, X[ 3], 13);
JJ(aa, bb, cc, dd, ee, X[ 8], 14);
JJ(ee, aa, bb, cc, dd, X[11], 11);
JJ(dd, ee, aa, bb, cc, X[ 6], 8);
JJ(cc, dd, ee, aa, bb, X[15], 5);
JJ(bb, cc, dd, ee, aa, X[13], 6);
/* parallel round 1 */
JJJ(aaa, bbb, ccc, ddd, eee, X[ 5], 8);
JJJ(eee, aaa, bbb, ccc, ddd, X[14], 9);
JJJ(ddd, eee, aaa, bbb, ccc, X[ 7], 9);
JJJ(ccc, ddd, eee, aaa, bbb, X[ 0], 11);
JJJ(bbb, ccc, ddd, eee, aaa, X[ 9], 13);
JJJ(aaa, bbb, ccc, ddd, eee, X[ 2], 15);
JJJ(eee, aaa, bbb, ccc, ddd, X[11], 15);
JJJ(ddd, eee, aaa, bbb, ccc, X[ 4], 5);
JJJ(ccc, ddd, eee, aaa, bbb, X[13], 7);
JJJ(bbb, ccc, ddd, eee, aaa, X[ 6], 7);
JJJ(aaa, bbb, ccc, ddd, eee, X[15], 8);
JJJ(eee, aaa, bbb, ccc, ddd, X[ 8], 11);
JJJ(ddd, eee, aaa, bbb, ccc, X[ 1], 14);
JJJ(ccc, ddd, eee, aaa, bbb, X[10], 14);
JJJ(bbb, ccc, ddd, eee, aaa, X[ 3], 12);
JJJ(aaa, bbb, ccc, ddd, eee, X[12], 6);
/* parallel round 2 */
III(eee, aaa, bbb, ccc, ddd, X[ 6], 9);
III(ddd, eee, aaa, bbb, ccc, X[11], 13);
III(ccc, ddd, eee, aaa, bbb, X[ 3], 15);
III(bbb, ccc, ddd, eee, aaa, X[ 7], 7);
III(aaa, bbb, ccc, ddd, eee, X[ 0], 12);
III(eee, aaa, bbb, ccc, ddd, X[13], 8);
III(ddd, eee, aaa, bbb, ccc, X[ 5], 9);
III(ccc, ddd, eee, aaa, bbb, X[10], 11);
III(bbb, ccc, ddd, eee, aaa, X[14], 7);
III(aaa, bbb, ccc, ddd, eee, X[15], 7);
III(eee, aaa, bbb, ccc, ddd, X[ 8], 12);
III(ddd, eee, aaa, bbb, ccc, X[12], 7);
III(ccc, ddd, eee, aaa, bbb, X[ 4], 6);
III(bbb, ccc, ddd, eee, aaa, X[ 9], 15);
III(aaa, bbb, ccc, ddd, eee, X[ 1], 13);
III(eee, aaa, bbb, ccc, ddd, X[ 2], 11);
/* parallel round 3 */
HHH(ddd, eee, aaa, bbb, ccc, X[15], 9);
HHH(ccc, ddd, eee, aaa, bbb, X[ 5], 7);
HHH(bbb, ccc, ddd, eee, aaa, X[ 1], 15);
HHH(aaa, bbb, ccc, ddd, eee, X[ 3], 11);
HHH(eee, aaa, bbb, ccc, ddd, X[ 7], 8);
HHH(ddd, eee, aaa, bbb, ccc, X[14], 6);
HHH(ccc, ddd, eee, aaa, bbb, X[ 6], 6);
HHH(bbb, ccc, ddd, eee, aaa, X[ 9], 14);
HHH(aaa, bbb, ccc, ddd, eee, X[11], 12);
HHH(eee, aaa, bbb, ccc, ddd, X[ 8], 13);
HHH(ddd, eee, aaa, bbb, ccc, X[12], 5);
HHH(ccc, ddd, eee, aaa, bbb, X[ 2], 14);
HHH(bbb, ccc, ddd, eee, aaa, X[10], 13);
HHH(aaa, bbb, ccc, ddd, eee, X[ 0], 13);
HHH(eee, aaa, bbb, ccc, ddd, X[ 4], 7);
HHH(ddd, eee, aaa, bbb, ccc, X[13], 5);
/* parallel round 4 */
GGG(ccc, ddd, eee, aaa, bbb, X[ 8], 15);
GGG(bbb, ccc, ddd, eee, aaa, X[ 6], 5);
GGG(aaa, bbb, ccc, ddd, eee, X[ 4], 8);
GGG(eee, aaa, bbb, ccc, ddd, X[ 1], 11);
GGG(ddd, eee, aaa, bbb, ccc, X[ 3], 14);
GGG(ccc, ddd, eee, aaa, bbb, X[11], 14);
GGG(bbb, ccc, ddd, eee, aaa, X[15], 6);
GGG(aaa, bbb, ccc, ddd, eee, X[ 0], 14);
GGG(eee, aaa, bbb, ccc, ddd, X[ 5], 6);
GGG(ddd, eee, aaa, bbb, ccc, X[12], 9);
GGG(ccc, ddd, eee, aaa, bbb, X[ 2], 12);
GGG(bbb, ccc, ddd, eee, aaa, X[13], 9);
GGG(aaa, bbb, ccc, ddd, eee, X[ 9], 12);
GGG(eee, aaa, bbb, ccc, ddd, X[ 7], 5);
GGG(ddd, eee, aaa, bbb, ccc, X[10], 15);
GGG(ccc, ddd, eee, aaa, bbb, X[14], 8);
/* parallel round 5 */
FFF(bbb, ccc, ddd, eee, aaa, X[12] , 8);
FFF(aaa, bbb, ccc, ddd, eee, X[15] , 5);
FFF(eee, aaa, bbb, ccc, ddd, X[10] , 12);
FFF(ddd, eee, aaa, bbb, ccc, X[ 4] , 9);
FFF(ccc, ddd, eee, aaa, bbb, X[ 1] , 12);
FFF(bbb, ccc, ddd, eee, aaa, X[ 5] , 5);
FFF(aaa, bbb, ccc, ddd, eee, X[ 8] , 14);
FFF(eee, aaa, bbb, ccc, ddd, X[ 7] , 6);
FFF(ddd, eee, aaa, bbb, ccc, X[ 6] , 8);
FFF(ccc, ddd, eee, aaa, bbb, X[ 2] , 13);
FFF(bbb, ccc, ddd, eee, aaa, X[13] , 6);
FFF(aaa, bbb, ccc, ddd, eee, X[14] , 5);
FFF(eee, aaa, bbb, ccc, ddd, X[ 0] , 15);
FFF(ddd, eee, aaa, bbb, ccc, X[ 3] , 13);
FFF(ccc, ddd, eee, aaa, bbb, X[ 9] , 11);
FFF(bbb, ccc, ddd, eee, aaa, X[11] , 11);
/* combine results */
ddd += cc + MDbuf[1];
MDbuf[1] = MDbuf[2] + dd + eee;
MDbuf[2] = MDbuf[3] + ee + aaa;
MDbuf[3] = MDbuf[4] + aa + bbb;
MDbuf[4] = MDbuf[0] + bb + ccc;
MDbuf[0] = ddd;
}
void ripemd160(const uint8_t *msg, uint32_t msg_len, uint8_t *hash)
{
uint32_t i;
int j;
uint32_t digest[5] = {0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0UL};
for (i = 0; i < (msg_len >> 6); ++i) {
uint32_t chunk[16];
for (j = 0; j < 16; ++j) {
chunk[j] = (uint32_t)(*(msg++));
chunk[j] |= (uint32_t)(*(msg++)) << 8;
chunk[j] |= (uint32_t)(*(msg++)) << 16;
chunk[j] |= (uint32_t)(*(msg++)) << 24;
}
compress (digest, chunk);
}
// Last chunk
{
uint32_t chunk[16] = {0};
for (i = 0; i < (msg_len & 63); ++i) {
chunk[i >> 2] ^= (uint32_t) *msg++ << ((i&3) << 3);
}
chunk[(msg_len >> 2)&15] ^= (uint32_t)1 << (8*(msg_len&3) + 7);
if ((msg_len & 63) > 55) {
compress (digest, chunk);
memset (chunk, 0, 64);
}
chunk[14] = msg_len << 3;
chunk[15] = (msg_len >> 29);
compress (digest, chunk);
}
for (i = 0; i < 5; ++i) {
*(hash++) = digest[i];
*(hash++) = digest[i] >> 8;
*(hash++) = digest[i] >> 16;
*(hash++) = digest[i] >> 24;
}
}